protected function ErrorHandlerTest::assertNoMessages in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/system/tests/src/Functional/System/ErrorHandlerTest.php \Drupal\Tests\system\Functional\System\ErrorHandlerTest::assertNoMessages()

Asserts that no messages are printed onto the page.

Ensures that no messages div exists, which proves that no messages were generated by the error handler, not even an empty one.

1 call to ErrorHandlerTest::assertNoMessages()

ErrorHandlerTest::testErrorHandler in core/modules/system/tests/src/Functional/System/ErrorHandlerTest.php

Tests the error handler.

File

core/modules/system/tests/src/Functional/System/ErrorHandlerTest.php, line 173

Class

ErrorHandlerTest

Performs tests on the Drupal error and exception handler.

Namespace

Drupal\Tests\system\Functional\System

Code

protected function assertNoMessages() {
  $this
    ->assertSession()
    ->elementNotExists('xpath', '//div[contains(@class, "messages")]');
}